I replaced System with digest authentication and the result is this:
rad_recv: Access-Request packet from host 127.0.0.1:1758, id=145, length=318 User-Name = "rpagquil@server4all" Digest-Attributes = "\n\nrpagquil" Digest-Attributes = "\001\014server4all" Digest-Attributes = "\002*42ee08a5a74a8d5a8e2028edd9f31ce75d40d551" Digest-Attributes = "\004\020sip:server4all" Digest-Attributes = "\003\nREGISTER" Digest-Attributes = "\005\006auth" Digest-Attributes = "\t\n00000002" Digest-Attributes = "\010"142A216802C111DABFB500E04CAB4AB4" Digest-Response = "da8032e6eb15381a0cbad43e6b981458" Service-Type = Sip-Session Sip-URI-User = "rpagquil" Cisco-AVPair = "call-id=142A216302C111DABFB500E04CAB4AB4@server4all" NAS-IP-Address = 127.0.0.1 NAS-Port = 5060 Processing the authorize section of radiusd.conf modcall: entering group authorize for request 0 Invalid operator for item Suffix: reverting to '==' Invalid operator for item Suffix: reverting to '==' Invalid operator for item Suffix: reverting to '==' modcall[authorize]: module "preprocess" returns ok for request 0 modcall[authorize]: module "chap" returns noop for request 0 rlm_eap: No EAP-Message, not doing EAP modcall[authorize]: module "eap" returns noop for request 0 rlm_digest: Converting Digest-Attributes to something sane... Digest-User-Name = "rpagquil" Digest-Realm = "server4all" Digest-Nonce = "42ee08a5a74a8d5a8e2028edd9f31ce75d40d551" Digest-URI = "sip:server4all" Digest-Method = "REGISTER" Digest-QOP = "auth" Digest-Nonce-Count = "00000002" Digest-CNonce = "142A216802C111DABFB500E04CAB4AB4" rlm_digest: Adding Auth-Type = DIGEST modcall[authorize]: module "digest" returns ok for request 0 rlm_realm: Looking up realm "server4all" for User-Name = "rpagquil@server4all" rlm_realm: Found realm "DEFAULT" rlm_realm: Adding Stripped-User-Name = "rpagquil" rlm_realm: Proxying request from user rpagquil to realm DEFAULT rlm_realm: Adding Realm = "DEFAULT" rlm_realm: Authentication realm is LOCAL. modcall[authorize]: module "suffix" returns noop for request 0 users: Matched DEFAULT at 162 modcall[authorize]: module "files" returns ok for request 0 modcall[authorize]: module "mschap" returns noop for request 0 modcall: group authorize returns ok for request 0 rad_check_password: Found Auth-Type DIGEST auth: type "Digest" Processing the authenticate section of radiusd.conf modcall: entering group Auth-Type for request 0 rlm_digest: Configuration item "User-Password" is required for authentication. modcall[authenticate]: module "digest" returns invalid for request 0 modcall: group Auth-Type returns invalid for request 0 auth: Failed to validate the user. Login incorrect: [rpagquil@server4all] (from client server port 5060) Delaying request 0 for 1 seconds Finished request 0 Going to the next request --- Walking the entire request list --- Waking up in 1 seconds... --- Walking the entire request list --- Waking up in 1 seconds... rad_recv: Access-Request packet from host 127.0.0.1:1759, id=146, length=318 User-Name = "rpagquil@server4all" Digest-Attributes = "\n\nrpagquil" Digest-Attributes = "\001\014server4all" Digest-Attributes = "\002*42ee08a5a74a8d5a8e2028edd9f31ce75d40d551" Digest-Attributes = "\004\020sip:server4all" Digest-Attributes = "\003\nREGISTER" Digest-Attributes = "\005\006auth" Digest-Attributes = "\t\n00000002" Digest-Attributes = "\010"142A216902C111DABFB500E04CAB4AB4" Digest-Response = "9d27c6e00fb5490e25c6166a2ce5c149" Service-Type = Sip-Session Sip-URI-User = "rpagquil" Cisco-AVPair = "call-id=142A216302C111DABFB500E04CAB4AB4@server4all" NAS-IP-Address = 127.0.0.1 NAS-Port = 5060 Processing the authorize section of radiusd.conf modcall: entering group authorize for request 1 Invalid operator for item Suffix: reverting to '==' Invalid operator for item Suffix: reverting to '==' Invalid operator for item Suffix: reverting to '==' modcall[authorize]: module "preprocess" returns ok for request 1 modcall[authorize]: module "chap" returns noop for request 1 rlm_eap: No EAP-Message, not doing EAP modcall[authorize]: module "eap" returns noop for request 1 rlm_digest: Converting Digest-Attributes to something sane... Digest-User-Name = "rpagquil" Digest-Realm = "server4all" Digest-Nonce = "42ee08a5a74a8d5a8e2028edd9f31ce75d40d551" Digest-URI = "sip:server4all" Digest-Method = "REGISTER" Digest-QOP = "auth" Digest-Nonce-Count = "00000002" Digest-CNonce = "142A216902C111DABFB500E04CAB4AB4" rlm_digest: Adding Auth-Type = DIGEST modcall[authorize]: module "digest" returns ok for request 1 rlm_realm: Looking up realm "server4all" for User-Name = "rpagquil@server4all" rlm_realm: Found realm "DEFAULT" rlm_realm: Adding Stripped-User-Name = "rpagquil" rlm_realm: Proxying request from user rpagquil to realm DEFAULT rlm_realm: Adding Realm = "DEFAULT" rlm_realm: Authentication realm is LOCAL. modcall[authorize]: module "suffix" returns noop for request 1 users: Matched DEFAULT at 162 modcall[authorize]: module "files" returns ok for request 1 modcall[authorize]: module "mschap" returns noop for request 1 modcall: group authorize returns ok for request 1 rad_check_password: Found Auth-Type DIGEST auth: type "Digest" Processing the authenticate section of radiusd.conf modcall: entering group Auth-Type for request 1 rlm_digest: Configuration item "User-Password" is required for authentication. modcall[authenticate]: module "digest" returns invalid for request 1 modcall: group Auth-Type returns invalid for request 1 auth: Failed to validate the user. Login incorrect: [rpagquil@server4all] (from client server port 5060) Delaying request 1 for 1 seconds Finished request 1 Going to the next request --- Walking the entire request list --- Sending Access-Reject of id 145 to 127.0.0.1:1758 Waking up in 1 seconds... --- Walking the entire request list --- Waking up in 1 seconds... --- Walking the entire request list --- Sending Access-Reject of id 146 to 127.0.0.1:1759 Waking up in 2 seconds... --- Walking the entire request list --- Cleaning up request 0 ID 145 with timestamp 42ee0779 Waking up in 2 seconds... --- Walking the entire request list --- Cleaning up request 1 ID 146 with timestamp 42ee077b Nothing to do. Sleeping until we see a request.